Question

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Answer 1

Answer:

Step-by-step explanation:

6. x=3.77777....                              equation 1

   10x=37.7777...                            equation 2

e2-e1

  10x = 37.7777.....

   -  x =   3.7777.....

This will be equal to:

9x=34.0

x=34/9

7. x=0.322222......                          equation 1

   10x=3.2222......                           equation 2

    100x=32.222....                          equation 3

e3-e2

  100x-10x = 32.2222.... - 3.22222......

   90x = 29.0

    x=29/90

8.2/13, we can do long division and answer is 0.15384.......

   It is an irrational number

9. 3 3/8 is mixed fraction, when we convert it to improper fraction it     becomes 27/8

Now by long division, 27/8 = 3.375

10. By long division, 1/7=0.1428.....

8/7 is 8*1/7

so, 0.1428.... * 8 = 1.1428....

9/7 = 9*1/7

so, 0.1428.... * 9 = 1.2857....

Hope it helps...